00301nam a2200121 a 450000500170000002000150001708200160003210000220004824500230007026000360009330000270012963000230015620251202164244.0  a0135576784  a658.83bWEI  aWeiers, Ronald M.  aMarketing research  aNew JerseybPrentice-Hallc1984  axix,588 p.b22 cm.cHB  aMarketing research